Air quality index [µg/m3]:
excellent ≤ 20
good ≤ 60
lightly polluted ≤ 100
moderately polluted ≤ 140
heavily polluted ≤ 200
severely polluted > 200
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
000081lightly pollutedexcellent181excellent
2300101moderately pollutedexcellent201excellent
220075lightly pollutedexcellent161excellent
210088lightly pollutedexcellent171excellent
200099lightly pollutedexcellent191excellent
1900117moderately pollutedgood211excellent
1800129moderately pollutedgood231excellent
1700136moderately pollutedgood241excellent
1600135moderately pollutedgood251excellent
1500133moderately pollutedgood271excellent
140094lightly pollutedgood221excellent
130079lightly pollutedgood211excellent
1200106moderately pollutedexcellent191excellent
1100114moderately pollutedexcellent191excellent
1000106moderately pollutedgood211excellent
090096lightly pollutedexcellent201excellent
0800117moderately pollutedexcellent201excellent
0700111moderately pollutedgood211excellent
0600128moderately pollutedgood231excellent
0500146heavily pollutedgood251excellent
0400134moderately pollutedgood281excellent
0300154heavily pollutedgood321excellent
0200169heavily pollutedgood331excellent
0100161heavily pollutedgood361excellent